| 1. | Cases are known where trioecy provides for an optimal mating system . 众所周知,单全异株为最适交配系统打下基础。 |
| 2. | The mating system can be changed in a quick and simple manner, from monoecy to dioecy . 用较快而简洁的方法使交配系统从雌雄同株变成雌雄异株。 |
| 3. | Cases are known where trioecy or, more generally, heteroecy, provides for an optimal mating system . 众所周知,单全异株,或者更通俗一些说,雌雄杂生为最适交配打下基础。 |
| 4. | Ecological classification of avian mating system 鸟类婚配制度的生态学分类 |
| 5. | Zeng y r , xu y l , weng z y , et al . mating systems in forest tree populations 曾燕如徐岳雷翁志远等林木群体中的交配系统 |
| 6. | Sinense y . x . lin is a mixed mating system and the intergametophzyme outcrossing among perhaps plays a main role 这说明荷叶铁线蕨种群可能是以配子体间异交为主的混合交配体系。 |
| 7. | The experiment uses adiantum reniforme l . var . sinense y . x . lin as material to understand its mating system through the research of ecology and genetics 本试验以荷叶铁线蕨为材料,通过对生态学及遗传学等方面的研究,了解其濒危的可能机制。 |
| 8. | " many mammals have mating systems that were traditionally viewed as being dominated by males fighting each other for the right to mate with passive females , " said dr joe hoffman of the university of cambridge 英国剑桥大学博士霍夫曼指出: “传统观点认为,哺乳动物的交配系统总是被雄性所掌控,雄性哺乳动物为了被动但又合适的配偶会与同性拼杀。 |
| 9. | According to the corrosion behavior of sewage disposal systems , the technical characteristics of selected heavy - duty anti - corrosion coatings and their various mating systems are discussed , and the applications of the coating for sewage disposal are summarized in this paper 摘要根据污水处理系统的腐蚀特徵,分析了选用的重防腐蚀涂料各种配套体系的防腐蚀技术特点,总结了污水处理的重防腐涂料保护应用情况。 |
| 10. | Whichever mating system they follow , the territorial or the harem , all wild equids tend to have their first offspring only after reaching four or five years of age ; subsequently , they then reproduce only every other year until the end of their lives at about 16 years of age 不管是采用后宫系统或是占领领土的方式来进行交配,所有的野生马都要年满4 ~ 5岁才会生下第一胎,接下来则是每隔一年繁殖一次,直到生命结束为止,通常是16岁左右。 |